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An Automatic Approach to Reestablish Final Dental Occlusion for 1-Piece Maxillary Orthognathic Surgery

  • Han Deng
  • Peng Yuan
  • Sonny Wong
  • Jaime Gateno
  • Fred A. Garrett
  • Randy K. Ellis
  • Jeryl D. English
  • Helder B. Jacob
  • Daeseung Kim
  • James J. XiaEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11768)

Abstract

Accurately establishing a desired final dental occlusion of the upper and lower teeth is a critical step in orthognathic surgical planning. Traditionally, the final occlusion is established by hand-articulating the stone dental models. However, this process is inappropriate to digitally plan the orthognathic surgery using computer-aided surgical simulation. To date, there is no effective method of digitally establishing final occlusion. We propose a 3-stage approach to digitally and automatically establish a desired final dental occlusion for 1-piece maxillary orthognathic surgery, including: (1) to automatically extract points of interest and four key teeth landmarks from the occlusal surfaces; (2) to align the upper and lower teeth to a clinically desired Midline-Canine-Molar relationship by minimization of sum of distances between them; and (3) to finely align the upper and lower teeth to a maximum contact with the constraints of collision and clinical criteria. The proposed method was evaluated qualitatively and quantitatively and proved to be effective and accurate.

Notes

Acknowledgment

This work was supported in part by NIH grants (R01 DE022676 and R01 DE027251).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Han Deng
    • 1
  • Peng Yuan
    • 1
  • Sonny Wong
    • 2
  • Jaime Gateno
    • 1
    • 3
  • Fred A. Garrett
    • 2
  • Randy K. Ellis
    • 2
  • Jeryl D. English
    • 2
  • Helder B. Jacob
    • 2
  • Daeseung Kim
    • 1
  • James J. Xia
    • 1
    • 3
    Email author
  1. 1.Department of Oral and Maxillofacial SurgeryHouston Methodist Research InstituteHoustonUSA
  2. 2.Department of OrthodonticsUniversity of Texas Houston Health Science Center Dentistry SchoolHoustonUSA
  3. 3.Department of Surgery (Oral and Maxillofacial Surgery), Weill Medical CollegeCornell UniversityNew YorkUSA

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